--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLBodyElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,341 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Simon Hausmann (hausmann@kde.org)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "HTMLBodyElement.h"
+
+#include "Attribute.h"
+#include "CSSStyleSelector.h"
+#include "CSSStyleSheet.h"
+#include "CSSValueKeywords.h"
+#include "EventNames.h"
+#include "Frame.h"
+#include "FrameView.h"
+#include "HTMLFrameElementBase.h"
+#include "HTMLNames.h"
+#include "ScriptEventListener.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLBodyElement::HTMLBodyElement(const QualifiedName& tagName, Document* document)
+    : HTMLElement(tagName, document)
+{
+    ASSERT(hasTagName(bodyTag));
+}
+
+PassRefPtr<HTMLBodyElement> HTMLBodyElement::create(Document* document)
+{
+    return adoptRef(new HTMLBodyElement(bodyTag, document));
+}
+
+PassRefPtr<HTMLBodyElement> HTMLBodyElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new HTMLBodyElement(tagName, document));
+}
+
+HTMLBodyElement::~HTMLBodyElement()
+{
+    if (m_linkDecl) {
+        m_linkDecl->setNode(0);
+        m_linkDecl->setParent(0);
+    }
+}
+
+void HTMLBodyElement::createLinkDecl()
+{
+    m_linkDecl = CSSMutableStyleDeclaration::create();
+    m_linkDecl->setParent(document()->elementSheet());
+    m_linkDecl->setNode(this);
+    m_linkDecl->setStrictParsing(!document()->inCompatMode());
+}
+
+bool HTMLBodyElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
+{
+    if (attrName == backgroundAttr) {
+        result = (MappedAttributeEntry)(eLastEntry + document()->docID());
+        return false;
+    } 
+    
+    if (attrName == bgcolorAttr ||
+        attrName == textAttr ||
+        attrName == marginwidthAttr ||
+        attrName == leftmarginAttr ||
+        attrName == marginheightAttr ||
+        attrName == topmarginAttr ||
+        attrName == bgpropertiesAttr) {
+        result = eUniversal;
+        return false;
+    }
+
+    return HTMLElement::mapToEntry(attrName, result);
+}
+
+void HTMLBodyElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == backgroundAttr) {
+        String url = deprecatedParseURL(attr->value());
+        if (!url.isEmpty())
+            addCSSImageProperty(attr, CSSPropertyBackgroundImage, document()->completeURL(url).string());
+    } else if (attr->name() == marginwidthAttr || attr->name() == leftmarginAttr) {
+        addCSSLength(attr, CSSPropertyMarginRight, attr->value());
+        addCSSLength(attr, CSSPropertyMarginLeft, attr->value());
+    } else if (attr->name() == marginheightAttr || attr->name() == topmarginAttr) {
+        addCSSLength(attr, CSSPropertyMarginBottom, attr->value());
+        addCSSLength(attr, CSSPropertyMarginTop, attr->value());
+    } else if (attr->name() == bgcolorAttr) {
+        addCSSColor(attr, CSSPropertyBackgroundColor, attr->value());
+    } else if (attr->name() == textAttr) {
+        addCSSColor(attr, CSSPropertyColor, attr->value());
+    } else if (attr->name() == bgpropertiesAttr) {
+        if (equalIgnoringCase(attr->value(), "fixed"))
+            addCSSProperty(attr, CSSPropertyBackgroundAttachment, CSSValueFixed);
+    } else if (attr->name() == vlinkAttr ||
+               attr->name() == alinkAttr ||
+               attr->name() == linkAttr) {
+        if (attr->isNull()) {
+            if (attr->name() == linkAttr)
+                document()->resetLinkColor();
+            else if (attr->name() == vlinkAttr)
+                document()->resetVisitedLinkColor();
+            else
+                document()->resetActiveLinkColor();
+        } else {
+            if (!m_linkDecl)
+                createLinkDecl();
+            m_linkDecl->setProperty(CSSPropertyColor, attr->value(), false, false);
+            RefPtr<CSSValue> val = m_linkDecl->getPropertyCSSValue(CSSPropertyColor);
+            if (val && val->isPrimitiveValue()) {
+                Color col = document()->styleSelector()->getColorFromPrimitiveValue(static_cast<CSSPrimitiveValue*>(val.get()));
+                if (attr->name() == linkAttr)
+                    document()->setLinkColor(col);
+                else if (attr->name() == vlinkAttr)
+                    document()->setVisitedLinkColor(col);
+                else
+                    document()->setActiveLinkColor(col);
+            }
+        }
+        
+        if (attached())
+            document()->recalcStyle(Force);
+    } else if (attr->name() == onloadAttr)
+        document()->setWindowAttributeEventListener(eventNames().loadEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onbeforeunloadAttr)
+        document()->setWindowAttributeEventListener(eventNames().beforeunloadEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onunloadAttr)
+        document()->setWindowAttributeEventListener(eventNames().unloadEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onpagehideAttr)
+        document()->setWindowAttributeEventListener(eventNames().pagehideEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onpageshowAttr)
+        document()->setWindowAttributeEventListener(eventNames().pageshowEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onpopstateAttr)
+        document()->setWindowAttributeEventListener(eventNames().popstateEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onblurAttr)
+        document()->setWindowAttributeEventListener(eventNames().blurEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onfocusAttr)
+        document()->setWindowAttributeEventListener(eventNames().focusEvent, createAttributeEventListener(document()->frame(), attr));
+#if ENABLE(ORIENTATION_EVENTS)
+    else if (attr->name() == onorientationchangeAttr)
+        document()->setWindowAttributeEventListener(eventNames().orientationchangeEvent, createAttributeEventListener(document()->frame(), attr));
+#endif
+    else if (attr->name() == onhashchangeAttr)
+        document()->setWindowAttributeEventListener(eventNames().hashchangeEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onresizeAttr)
+        document()->setWindowAttributeEventListener(eventNames().resizeEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onscrollAttr)
+        document()->setWindowAttributeEventListener(eventNames().scrollEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onstorageAttr)
+        document()->setWindowAttributeEventListener(eventNames().storageEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == ononlineAttr)
+        document()->setWindowAttributeEventListener(eventNames().onlineEvent, createAttributeEventListener(document()->frame(), attr));
+    else if (attr->name() == onofflineAttr)
+        document()->setWindowAttributeEventListener(eventNames().offlineEvent, createAttributeEventListener(document()->frame(), attr));
+    else
+        HTMLElement::parseMappedAttribute(attr);
+}
+
+void HTMLBodyElement::insertedIntoDocument()
+{
+    HTMLElement::insertedIntoDocument();
+
+    // FIXME: Perhaps this code should be in attach() instead of here.
+    Element* ownerElement = document()->ownerElement();
+    if (ownerElement && (ownerElement->hasTagName(frameTag) || ownerElement->hasTagName(iframeTag))) {
+        HTMLFrameElementBase* ownerFrameElement = static_cast<HTMLFrameElementBase*>(ownerElement);
+        int marginWidth = ownerFrameElement->getMarginWidth();
+        if (marginWidth != -1)
+            setAttribute(marginwidthAttr, String::number(marginWidth));
+        int marginHeight = ownerFrameElement->getMarginHeight();
+        if (marginHeight != -1)
+            setAttribute(marginheightAttr, String::number(marginHeight));
+    }
+
+    // FIXME: This call to scheduleRelayout should not be needed here.
+    // But without it we hang during WebKit tests; need to fix that and remove this.
+    if (FrameView* view = document()->view())
+        view->scheduleRelayout();
+}
+
+bool HTMLBodyElement::isURLAttribute(Attribute *attr) const
+{
+    return attr->name() == backgroundAttr;
+}
+
+String HTMLBodyElement::aLink() const
+{
+    return getAttribute(alinkAttr);
+}
+
+void HTMLBodyElement::setALink(const String& value)
+{
+    setAttribute(alinkAttr, value);
+}
+
+String HTMLBodyElement::bgColor() const
+{
+    return getAttribute(bgcolorAttr);
+}
+
+void HTMLBodyElement::setBgColor(const String& value)
+{
+    setAttribute(bgcolorAttr, value);
+}
+
+String HTMLBodyElement::link() const
+{
+    return getAttribute(linkAttr);
+}
+
+void HTMLBodyElement::setLink(const String& value)
+{
+    setAttribute(linkAttr, value);
+}
+
+String HTMLBodyElement::text() const
+{
+    return getAttribute(textAttr);
+}
+
+void HTMLBodyElement::setText(const String& value)
+{
+    setAttribute(textAttr, value);
+}
+
+String HTMLBodyElement::vLink() const
+{
+    return getAttribute(vlinkAttr);
+}
+
+void HTMLBodyElement::setVLink(const String& value)
+{
+    setAttribute(vlinkAttr, value);
+}
+
+static int adjustForZoom(int value, FrameView* frameView)
+{
+    float zoomFactor = frameView->zoomFactor();
+    if (zoomFactor == 1)
+        return value;
+    // Needed because of truncation (rather than rounding) when scaling up.
+    if (zoomFactor > 1)
+        value++;
+    return static_cast<int>(value / zoomFactor);
+}
+
+int HTMLBodyElement::scrollLeft() const
+{
+    // Update the document's layout.
+    Document* doc = document();
+    doc->updateLayoutIgnorePendingStylesheets();
+    FrameView* view = doc->view();
+    return view ? adjustForZoom(view->scrollX(), view) : 0;
+}
+
+void HTMLBodyElement::setScrollLeft(int scrollLeft)
+{
+    Document* document = this->document();
+    document->updateLayoutIgnorePendingStylesheets();
+    FrameView* view = document->view();
+    if (!view)
+        return;
+    view->setScrollPosition(IntPoint(static_cast<int>(scrollLeft * view->zoomFactor()), view->scrollY()));
+}
+
+int HTMLBodyElement::scrollTop() const
+{
+    // Update the document's layout.
+    Document* doc = document();
+    doc->updateLayoutIgnorePendingStylesheets();
+    FrameView* view = doc->view();
+    return view ? adjustForZoom(view->scrollY(), view) : 0;
+}
+
+void HTMLBodyElement::setScrollTop(int scrollTop)
+{
+    Document* document = this->document();
+    document->updateLayoutIgnorePendingStylesheets();
+    FrameView* view = document->view();
+    if (!view)
+        return;
+    view->setScrollPosition(IntPoint(view->scrollX(), static_cast<int>(scrollTop * view->zoomFactor())));
+}
+
+int HTMLBodyElement::scrollHeight() const
+{
+    // Update the document's layout.
+    Document* doc = document();
+    doc->updateLayoutIgnorePendingStylesheets();
+    FrameView* view = doc->view();
+    return view ? adjustForZoom(view->contentsHeight(), view) : 0;    
+}
+
+int HTMLBodyElement::scrollWidth() const
+{
+    // Update the document's layout.
+    Document* doc = document();
+    doc->updateLayoutIgnorePendingStylesheets();
+    FrameView* view = doc->view();
+    return view ? adjustForZoom(view->contentsWidth(), view) : 0;    
+}
+
+void HTMLBodyElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
+{
+    HTMLElement::addSubresourceAttributeURLs(urls);
+
+    addSubresourceURL(urls, document()->completeURL(getAttribute(backgroundAttr)));
+}
+
+void HTMLBodyElement::didMoveToNewOwnerDocument()
+{
+    // When moving body elements between documents, we should have to reset the parent sheet for any
+    // link style declarations.  If we don't we might crash later.
+    // In practice I can't reproduce this theoretical problem.
+    // webarchive/adopt-attribute-styled-body-webarchive.html tries to make sure this crash won't surface.
+    if (m_linkDecl)
+        m_linkDecl->setParent(document()->elementSheet());
+    
+    HTMLElement::didMoveToNewOwnerDocument();
+}
+
+} // namespace WebCore